| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.89 | USD | 20251017 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.89 | USD | 20251017 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.82 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.82 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.71 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.71 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.61 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.61 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.66 | USD | 20251013 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |